Home / 4,269.45-5,892.78-2,774.77

Finding the Fourth Proportional to 4,269.45, 5,892.78 and 2,774.77

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Solution

The fourth proportional to 4,269.45, 5,892.78 and 2,774.77 is: 3,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.45 : 5,892.78 = 2,774.77 : x
  2. Step 2: Convert to fraction form
    4,269.45/5,892.78 = 2,774.77/x
  3. Step 3: Cross multiply
    4,269.45x = 5,892.78 × 2,774.77
  4. Step 4: Simplify right side
    4,269.45x = 16,351,109.16
  5. Step 5: Solve for x
    x = 16,351,109.16/4,269.45
  6. Step 6: Final answer
    x = 3,829.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.